| 时期 |
盐津县 （万人） |
威信县 （万人） |
差值 |
|---|---|---|---|
| 2025 | -- | ||
| 2024 | -- | ||
| 2023 | -- | ||
| 2022 | -- | ||
| 2021 | -- | ||
| 2020 | -- | ||
| 2019 | 32.53 | 35.64 | 3.11 |
| 2018 | 33.07 | 36.01 | 2.94 |
| 2017 | 33.62 | 36.37 | 2.75 |
| 2016 | 34.36 | 36.77 | 2.41 |
| 2015 | 34.73 | 37.02 | 2.29 |
| 2014 | 35.31 | 37.42 | 2.11 |
| 2013 | 35.79 | 37.74 | 1.95 |
| 2012 | 37.62 | 39.18 | 1.56 |
| 2011 | 37.31 | 38.92 | 1.61 |
| 2010 | 37.03 | 38.63 | 1.60 |
| 2009 | 37.82 | 38.32 | 0.50 |
| 2008 | 37.51 | 37.99 | 0.48 |
| 2007 | 37.11 | 37.60 | 0.49 |
| 2006 | 36.80 | 37.30 | 0.50 |
| 2005 | 36.50 | 37.00 | 0.50 |
| 2004 | 37.90 | 38.50 | 0.60 |
| 2002 | 35.90 | 36.40 | 0.50 |
| 2001 | 35.70 | 36.00 | 0.30 |
| 2000 | 35.50 | 35.70 | 0.20 |